<!DOCTYPE html>
<html lang="zh">
<head>
  <meta content="text/html; charset=utf-8" http-equiv="Content-Type">
  <meta content="width=device-width,initial-scale=1,user-scalable=no" name="viewport">
  <meta name="apple-mobile-web-app-capable" content="yes">
  <meta name="apple-touch-fullscreen" content="yes">
  <meta name="format-detection" content="telephone=no,address=no">
  <meta name="apple-mobile-web-app-status-bar-style" content="white">
  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
  <title></title>
  <script>
    !function(x) {
      function w() {
        var v, u, t, tes, s = x.document, r = s.documentElement, a = r.getBoundingClientRect().width
        if (!v && !u) {
          var n = !!x.navigator.appVersion.match(/AppleWebKit.*Mobile.*/)
          v = x.devicePixelRatio
          tes = x.devicePixelRatio
          v = n ? v : 1, u = 1 / v
        }
        if (a >= 640) {
          r.style.fontSize = "40px"
        } else {
          if (a <= 320) {
            r.style.fontSize = "20px"
          } else {
            r.style.fontSize = a / 320 * 20 + "px"
          }
        }
      }

      x.addEventListener("resize", function() {
        w()
      })
      w()
    }(window)
  </script>
</head>
<body>
<div id="app"></div>
</body>
</html>
